Abstract: There is provided a new and useful wooden structural member comprising a pair of elongated flanges each having a surface and a longitudinally extending groove in the surface, the groove having a bottom and tapering from the surface to the bottom; and a web disposed between the flanges and having first and second tapered longitudinal edges, the edges secured within respective ones of the grooves, each edge having a longitudinally extending central kerf therein; and wherein, prior to the insertion of said edges into said grooves, the thickness of each tapered edge at any given distance from its extremity is greater than the width of the respective groove at an equal distance from the bottom. A method for the production of the member is also provided.